Evaluate the charge on each ball
Suppose that two balls of mass 2.5 x 10^-4 kg each carry equal charges and are suspended by identical threads of length 13 cm anchored 24cm apart. If each thread makes and angle of 20 degrees with the vertical, what is the charge on each ball?
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A solenoid is wound with a single layer of insulated copper wire of diameter 2.500 mm and has a diameter of 3.000 cm and is 1.100 m long. Assume that adjacent wires touch and that insulation thickness is negligible. How many turns are on the solen
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a thin conducting wire connects the spheres, redistributing the charge on each sphere. When the wire is removed the spheres still repel but with a force of F2 = 0.100 N.
A hollow metal sphere has a total charge of 50 µC. If the radius of the sphere is 50 cm, the electric field intensity at a distance of 3.0 m from the surface of the sphere is approximately-----------N/C. (Careful of the wording here.)
The plates are separated by a distance of 1.7 cm, and the electric field within the capacitor has a magnitude of 2.7 x 106 V/m. What is the kinetic energy of the electron just as it reaches the positive plate?
The space between the plates is filled with a dielectric whose dielectric constant is 1.8. What is the potential difference between the plates when the charge on the capacitor plates is 4.2mu C ? Calculate the potential difference for the case whe
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